: at the united nations, israel's prime minister urged world leaders to draw a clear red line and stop iran's nuclear program. good evening, i'm jeffrey brown. >> woodruff: and i'm judy woodruff. on the "newshour" tonight, we get two views of benjamin netanyahu's speech in which he warned that tehran could be capable of making an atomic weapon next year. >> brown: then, was the attack on the u.s. mission in libya the work of al qaeda? we take a look.